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Kotlin conversion: SelectUserId

This commit is contained in:
Paul Schaub 2023-09-26 17:38:07 +02:00
parent 33037b9743
commit c9f988b2d1
Signed by: vanitasvitae
GPG Key ID: 62BEE9264BF17311
6 changed files with 240 additions and 296 deletions
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231
pgpainless-core/src/main/java/org/pgpainless/util/selection/userid/SelectUserId.java
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@ -1,231 +0,0 @@
// SPDX-FileCopyrightText: 2021 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.util.selection.userid;
import java.util.ArrayList;
import java.util.List;
import org.bouncycastle.openpgp.PGPKeyRing;
import org.pgpainless.PGPainless;
import org.pgpainless.key.info.KeyRingInfo;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
/**
* Filter for selecting user-ids from keys and from lists.
*/
public abstract class SelectUserId {
/**
* Return true, if the given user-id is accepted by this particular filter, false otherwise.
*
* @param userId user-id
* @return acceptance of the filter
*/
protected abstract boolean accept(String userId);
/**
* Select all currently valid user-ids of the given key ring.
*
* @param keyRing public or secret key ring
* @return valid user-ids
*/
@Nonnull
public List<String> selectUserIds(@Nonnull PGPKeyRing keyRing) {
List<String> userIds = PGPainless.inspectKeyRing(keyRing).getValidUserIds();
return selectUserIds(userIds);
}
/**
* Select all acceptable (see {@link #accept(String)}) from the given list of user-ids.
*
* @param userIds list of user-ids
* @return sub-list of acceptable user-ids
*/
@Nonnull
public List<String> selectUserIds(@Nonnull List<String> userIds) {
List<String> selected = new ArrayList<>();
for (String userId : userIds) {
if (accept(userId)) {
selected.add(userId);
}
}
return selected;
}
/**
* Return the first valid, acceptable user-id from the given public or secret key ring.
*
* @param keyRing public or secret key ring
* @return first matching valid user-id or null
*/
@Nullable
public String firstMatch(PGPKeyRing keyRing) {
return firstMatch(selectUserIds(keyRing));
}
/**
* Return the first valid, acceptable user-id from the list of user-ids.
*
* @param userIds list of user-ids
* @return first matching valid user-id or null
*/
@Nullable
public String firstMatch(@Nonnull List<String> userIds) {
for (String userId : userIds) {
if (accept(userId)) {
return userId;
}
}
return null;
}
/**
* Filter that filters for user-ids which contain the given <pre>query</pre> as a substring.
*
* @param query query
* @return filter
*/
public static SelectUserId containsSubstring(@Nonnull CharSequence query) {
return new SelectUserId() {
@Override
protected boolean accept(String userId) {
return userId.contains(query.toString());
}
};
}
/**
* Filter that filters for user-ids which match the given <pre>query</pre> exactly.
*
* @param query query
* @return filter
*/
public static SelectUserId exactMatch(@Nonnull CharSequence query) {
return new SelectUserId() {
@Override
protected boolean accept(String userId) {
return userId.equals(query.toString());
}
};
}
/**
* Filter that filters for user-ids which start with the given <pre>substring</pre>.
*
* @param substring substring
* @return filter
*/
public static SelectUserId startsWith(@Nonnull CharSequence substring) {
String string = substring.toString();
return new SelectUserId() {
@Override
protected boolean accept(String userId) {
return userId.startsWith(string);
}
};
}
/**
* Filter that filters for user-ids which contain the given <pre>email</pre> address.
* Note: This only accepts user-ids which properly have the email address surrounded by angle brackets.
*
* The argument <pre>email</pre> can both be a plain email address (<pre>"foo@bar.baz"</pre>),
* or surrounded by angle brackets ({@code <pre>"<foo@bar.baz>"</pre>}), the result of the filter will be the same.
*
* @param email email address
* @return filter
*/
public static SelectUserId containsEmailAddress(@Nonnull CharSequence email) {
String string = email.toString();
return containsSubstring(string.matches("^<.+>$") ? string : '<' + string + '>');
}
/**
* Filter that filters for valid user-ids on the given <pre>keyRing</pre> only.
*
* @param keyRing public / secret keys
* @return filter
*/
public static SelectUserId validUserId(PGPKeyRing keyRing) {
final KeyRingInfo info = PGPainless.inspectKeyRing(keyRing);
return new SelectUserId() {
@Override
protected boolean accept(String userId) {
return info.isUserIdValid(userId);
}
};
}
/**
* Filter that filters for user-ids which pass all the given <pre>filters</pre>.
*
* @param filters filters
* @return filter
*/
public static SelectUserId and(SelectUserId... filters) {
return new SelectUserId() {
@Override
protected boolean accept(String userId) {
boolean accept = true;
for (SelectUserId filter : filters) {
accept &= filter.accept(userId);
}
return accept;
}
};
}
/**
* Filter that filters for user-ids which pass at least one of the given <pre>filters</pre>.
*
* @param filters filters
* @return filter
*/
public static SelectUserId or(SelectUserId... filters) {
return new SelectUserId() {
@Override
protected boolean accept(String userId) {
boolean accept = false;
for (SelectUserId filter : filters) {
accept |= filter.accept(userId);
}
return accept;
}
};
}
/**
* Filter that inverts the result of the given <pre>filter</pre>.
*
* @param filter filter
* @return inverting filter
*/
public static SelectUserId not(SelectUserId filter) {
return new SelectUserId() {
@Override
protected boolean accept(String userId) {
return !filter.accept(userId);
}
};
}
/**
* Filter that selects user-ids by the given <pre>email</pre> address.
* It returns user-ids which either contain the given <pre>email</pre> address as angle-bracketed string,
* or which equal the given <pre>email</pre> string exactly.
*
* @param email email
* @return filter
*/
public static SelectUserId byEmail(CharSequence email) {
return SelectUserId.or(
SelectUserId.exactMatch(email),
SelectUserId.containsEmailAddress(email)
);
}
}

8
pgpainless-core/src/main/java/org/pgpainless/util/selection/userid/package-info.java
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@ -1,8 +0,0 @@
// SPDX-FileCopyrightText: 2018 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
/**
* UserID selection strategies.
*/
package org.pgpainless.util.selection.userid;

37
pgpainless-core/src/main/kotlin/org/pgpainless/key/modification/secretkeyring/SecretKeyRingEditor.kt
View File

@ -31,7 +31,9 @@ import org.pgpainless.signature.subpackets.*
import org.pgpainless.util.Passphrase
import org.pgpainless.util.selection.userid.SelectUserId
import java.util.*
import java.util.function.Predicate
import javax.annotation.Nonnull
import kotlin.NoSuchElementException
class SecretKeyRingEditor(
var secretKeyRing: PGPSecretKeyRing,
@ -109,14 +111,22 @@ class SecretKeyRingEditor(
return this
}
@Deprecated("Use of SelectUserId class is deprecated.", replaceWith = ReplaceWith("removeUserId(protector, predicate)"))
override fun removeUserId(selector: SelectUserId, protector: SecretKeyRingProtector): SecretKeyRingEditorInterface {
return revokeUserIds(selector, protector, RevocationAttributes.createCertificateRevocation()
.withReason(RevocationAttributes.Reason.USER_ID_NO_LONGER_VALID)
.withoutDescription())
}
override fun removeUserId(protector: SecretKeyRingProtector, predicate: (String) -> Boolean): SecretKeyRingEditorInterface {
return revokeUserIds(protector, RevocationAttributes.createCertificateRevocation()
.withReason(RevocationAttributes.Reason.USER_ID_NO_LONGER_VALID)
.withoutDescription(),
predicate)
}
override fun removeUserId(userId: CharSequence, protector: SecretKeyRingProtector): SecretKeyRingEditorInterface {
return removeUserId(SelectUserId.exactMatch(userId), protector)
return removeUserId(protector) { uid -> userId == uid }
}
override fun replaceUserId(oldUserId: CharSequence, newUserId: CharSequence, protector: SecretKeyRingProtector): SecretKeyRingEditorInterface {
@ -246,21 +256,23 @@ class SecretKeyRingEditor(
}
override fun revokeUserId(userId: CharSequence, protector: SecretKeyRingProtector, callback: RevocationSignatureSubpackets.Callback?): SecretKeyRingEditorInterface {
return revokeUserIds(SelectUserId.exactMatch(sanitizeUserId(userId)), protector, callback)
return revokeUserIds(protector, callback, SelectUserId.exactMatch(sanitizeUserId(userId)))
}
override fun revokeUserIds(selector: SelectUserId, protector: SecretKeyRingProtector, revocationAttributes: RevocationAttributes?): SecretKeyRingEditorInterface {
return revokeUserIds(selector, protector, object : RevocationSignatureSubpackets.Callback {
override fun revokeUserIds(protector: SecretKeyRingProtector,
revocationAttributes: RevocationAttributes?,
predicate: (String) -> Boolean): SecretKeyRingEditorInterface {
return revokeUserIds(protector, object : RevocationSignatureSubpackets.Callback {
override fun modifyHashedSubpackets(hashedSubpackets: RevocationSignatureSubpackets) {
if (revocationAttributes != null) {
hashedSubpackets.setRevocationReason(revocationAttributes)
}
if (revocationAttributes != null) hashedSubpackets.setRevocationReason(revocationAttributes)
}
})
}, predicate)
}
override fun revokeUserIds(selector: SelectUserId, protector: SecretKeyRingProtector, callback: RevocationSignatureSubpackets.Callback?): SecretKeyRingEditorInterface {
selector.selectUserIds(secretKeyRing).also {
override fun revokeUserIds(protector: SecretKeyRingProtector,
callback: RevocationSignatureSubpackets.Callback?,
predicate: (String) -> Boolean): SecretKeyRingEditorInterface {
selectUserIds(predicate).also {
if (it.isEmpty()) throw NoSuchElementException("No matching user-ids found on the key.")
}.forEach { userId -> doRevokeUserId(userId, protector, callback) }
return this
@ -348,7 +360,7 @@ class SecretKeyRingEditor(
private fun sanitizeUserId(userId: CharSequence): CharSequence =
// TODO: Further research how to sanitize user IDs.
// eg. what about newlines?
// e.g. what about newlines?
userId.toString().trim()
private fun callbackFromRevocationAttributes(attributes: RevocationAttributes?) =
@ -454,6 +466,9 @@ class SecretKeyRingEditor(
}.build(secretKeyRing.publicKey)
}
private fun selectUserIds(predicate: Predicate<String>): List<String> =
inspectKeyRing(secretKeyRing).validUserIds.filter { predicate.test(it) }
private class WithKeyRingEncryptionSettingsImpl(
private val editor: SecretKeyRingEditor,
private val keyId: Long?,

78
pgpainless-core/src/main/kotlin/org/pgpainless/key/modification/secretkeyring/SecretKeyRingEditorInterface.kt
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@ -4,11 +4,7 @@
package org.pgpainless.key.modification.secretkeyring
import org.bouncycastle.openpgp.PGPException
import org.bouncycastle.openpgp.PGPKeyPair
import org.bouncycastle.openpgp.PGPPublicKeyRing
import org.bouncycastle.openpgp.PGPSecretKeyRing
import org.bouncycastle.openpgp.PGPSignature
import org.bouncycastle.openpgp.*
import org.pgpainless.algorithm.KeyFlag
import org.pgpainless.key.OpenPgpFingerprint
import org.pgpainless.key.generation.KeySpec
@ -23,6 +19,7 @@ import java.io.IOException
import java.security.InvalidAlgorithmParameterException
import java.security.NoSuchAlgorithmException
import java.util.*
import java.util.function.Predicate
interface SecretKeyRingEditorInterface {
@ -82,8 +79,25 @@ interface SecretKeyRingEditorInterface {
*
* @throws PGPException in case we cannot generate a revocation signature for the user-id
*/
@Deprecated("Use of SelectUserId class is deprecated.",
ReplaceWith("removeUserId(protector, predicate)"))
@Throws(PGPException::class)
fun removeUserId(selector: SelectUserId, protector: SecretKeyRingProtector): SecretKeyRingEditorInterface
fun removeUserId(selector: SelectUserId, protector: SecretKeyRingProtector) =
removeUserId(protector, selector)
/**
* Convenience method to revoke selected user-ids using soft revocation signatures.
* The revocation will use [RevocationAttributes.Reason.USER_ID_NO_LONGER_VALID], so that the user-id
* can be re-certified at a later point.
*
* @param protector protector to unlock the primary key
* @param predicate predicate to select user-ids for revocation
* @return the builder
*
* @throws PGPException in case we cannot generate a revocation signature for the user-id
*/
@Throws(PGPException::class)
fun removeUserId(protector: SecretKeyRingProtector, predicate: (String) -> Boolean): SecretKeyRingEditorInterface
/**
* Convenience method to revoke a single user-id using a soft revocation signature.
@ -342,9 +356,32 @@ interface SecretKeyRingEditorInterface {
* @throws PGPException in case we cannot generate a revocation signature for the user-id
*/
@Throws(PGPException::class)
@Deprecated("Use of SelectUserId class is deprecated.",
ReplaceWith("revokeUserIds(protector, revocationAttributes, predicate)"))
fun revokeUserIds(selector: SelectUserId,
protector: SecretKeyRingProtector,
revocationAttributes: RevocationAttributes?): SecretKeyRingEditorInterface
revocationAttributes: RevocationAttributes?) =
revokeUserIds(protector, revocationAttributes, selector)
/**
* Revoke all user-ids that match the provided [SelectUserId] filter.
* The provided [RevocationAttributes] will be set as reason for revocation in each
* revocation signature.
*
* Note: If you intend to re-certify these user-ids at a later point, make sure to choose
* a soft revocation reason. See [RevocationAttributes.Reason] for more information.
*
* @param protector protector to unlock the primary secret key
* @param revocationAttributes revocation attributes
* @param predicate to select user-ids for revocation
* @return builder
*
* @throws PGPException in case we cannot generate a revocation signature for the user-id
*/
@Throws(PGPException::class)
fun revokeUserIds(protector: SecretKeyRingProtector,
revocationAttributes: RevocationAttributes?,
predicate: (String) -> Boolean): SecretKeyRingEditorInterface
/**
* Revoke all user-ids that match the provided [SelectUserId] filter.
@ -364,9 +401,34 @@ interface SecretKeyRingEditorInterface {
* @throws PGPException in case we cannot generate a revocation signature for the user-id
*/
@Throws(PGPException::class)
@Deprecated("Use of SelectUserId class is deprecated.",
ReplaceWith("revokeUserIds(protector, callback, predicate)"))
fun revokeUserIds(selector: SelectUserId,
protector: SecretKeyRingProtector,
callback: RevocationSignatureSubpackets.Callback?): SecretKeyRingEditorInterface
callback: RevocationSignatureSubpackets.Callback?) =
revokeUserIds(protector, callback, selector)
/**
* Revoke all user-ids that match the provided [SelectUserId] filter.
* The provided [RevocationSignatureSubpackets.Callback] will be used to modify the
* revocation signatures subpackets.
*
* Note: If you intend to re-certify these user-ids at a later point, make sure to set
* a soft revocation reason in the revocation signatures hashed subpacket area using the callback.
*
* See [RevocationAttributes.Reason] for more information.
*
* @param protector protector to unlock the primary secret key
* @param callback callback to modify the revocations subpackets
* @param predicate to select user-ids for revocation
* @return builder
*
* @throws PGPException in case we cannot generate a revocation signature for the user-id
*/
@Throws(PGPException::class)
fun revokeUserIds(protector: SecretKeyRingProtector,
callback: RevocationSignatureSubpackets.Callback?,
predicate: (String) -> Boolean): SecretKeyRingEditorInterface
/**
* Set the expiration date for the primary key of the key ring.

104
pgpainless-core/src/main/kotlin/org/pgpainless/util/selection/userid/SelectUserId.kt Normal file
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@ -0,0 +1,104 @@
// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.util.selection.userid
import org.bouncycastle.openpgp.PGPKeyRing
import org.pgpainless.PGPainless
import java.util.function.Predicate
abstract class SelectUserId : Predicate<String>, (String) -> Boolean {
/**
* Legacy glue code to forward accept() calls to invoke() instead.
*/
@Deprecated("Use invoke() instead.", ReplaceWith("invoke(userId)"))
protected fun accept(userId: String): Boolean = invoke(userId)
override fun test(userId: String): Boolean = invoke(userId)
companion object {
/**
* Filter for user-ids which match the given [query] exactly.
*
* @param query query
* @return filter
*/
@JvmStatic
fun exactMatch(query: CharSequence) = object : SelectUserId() {
override fun invoke(userId: String): Boolean =
userId == query
}
/**
* Filter for user-ids which start with the given [substring].
*
* @param substring substring
* @return filter
*/
@JvmStatic
fun startsWith(substring: CharSequence) = object : SelectUserId() {
override fun invoke(userId: String): Boolean =
userId.startsWith(substring)
}
/**
* Filter for user-ids which contain the given [substring].
*
* @param substring query
* @return filter
*/
@JvmStatic
fun containsSubstring(substring: CharSequence) = object : SelectUserId() {
override fun invoke(userId: String): Boolean =
userId.contains(substring)
}
/**
* Filter for user-ids which contain the given [email] address.
* Note: This only accepts user-ids which properly have the email address surrounded by angle brackets.
*
* The argument [email] can both be a plain email address (`foo@bar.baz`),
* or surrounded by angle brackets (`<foo@bar.baz>`), the result of the filter will be the same.
*
* @param email email address
* @return filter
*/
@JvmStatic
fun containsEmailAddress(email: CharSequence) =
if (email.startsWith('<') && email.endsWith('>'))
containsSubstring(email)
else
containsSubstring("<$email>")
@JvmStatic
fun byEmail(email: CharSequence) = or(exactMatch(email), containsEmailAddress(email))
@JvmStatic
fun validUserId(keyRing: PGPKeyRing) = object : SelectUserId() {
private val info = PGPainless.inspectKeyRing(keyRing)
override fun invoke(userId: String): Boolean =
info.isUserIdValid(userId)
}
@JvmStatic
fun and(vararg filters: SelectUserId) = object : SelectUserId() {
override fun invoke(userId: String): Boolean =
filters.all { it.invoke(userId) }
}
@JvmStatic
fun or(vararg filters: SelectUserId) = object : SelectUserId() {
override fun invoke(userId: String): Boolean =
filters.any { it.invoke(userId) }
}
@JvmStatic
fun not(filter: SelectUserId) = object : SelectUserId() {
override fun invoke(userId: String): Boolean =
!filter.invoke(userId)
}
}
}

78
pgpainless-core/src/test/java/org/pgpainless/util/selection/userid/SelectUserIdTest.java
View File

@ -4,6 +4,15 @@
package org.pgpainless.util.selection.userid;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.junit.jupiter.api.Test;
@ -11,20 +20,10 @@ import org.pgpainless.PGPainless;
import org.pgpainless.key.protection.SecretKeyRingProtector;
import org.pgpainless.key.util.UserId;
import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class SelectUserIdTest {
@Test
public void testSelectUserIds() throws InvalidAlgorithmParameterException, NoSuchAlgorithmException, PGPException {
public void testSelectUserIds() throws PGPException {
PGPSecretKeyRing secretKeys = PGPainless.generateKeyRing()
.simpleEcKeyRing("<alice@wonderland.lit>");
secretKeys = PGPainless.modifyKeyRing(secretKeys)
@ -34,48 +33,53 @@ public class SelectUserIdTest {
SecretKeyRingProtector.unprotectedKeys())
.done();
List<String> validEmail = SelectUserId.and(
List<String> userIds = PGPainless.inspectKeyRing(secretKeys).getValidUserIds();
List<String> validEmail = userIds.stream().filter(SelectUserId.and(
SelectUserId.validUserId(secretKeys),
SelectUserId.containsEmailAddress("alice@wonderland.lit")
).selectUserIds(secretKeys);
)).collect(Collectors.toList());
assertEquals(Collections.singletonList("<alice@wonderland.lit>"), validEmail);
List<String> startsWithAlice = SelectUserId.startsWith("Alice").selectUserIds(secretKeys);
List<String> startsWithAlice = userIds.stream().filter(SelectUserId.startsWith("Alice")).collect(Collectors.toList());
assertEquals(Collections.singletonList("Alice Liddell <crazy@the-rabbit.hole>"), startsWithAlice);
List<String> exactMatch = SelectUserId.or(
List<String> exactMatch = userIds.stream().filter(SelectUserId.or(
SelectUserId.exactMatch("<alice@wonderland.lit>"),
SelectUserId.startsWith("Not Found")
).selectUserIds(secretKeys);
)).collect(Collectors.toList());
assertEquals(Collections.singletonList("<alice@wonderland.lit>"), exactMatch);
}
@Test
public void testContainsSubstring() throws InvalidAlgorithmParameterException, NoSuchAlgorithmException, PGPException {
public void testContainsSubstring() throws PGPException {
PGPSecretKeyRing secretKeys = PGPainless.generateKeyRing().simpleEcKeyRing("wine drinker");
secretKeys = PGPainless.modifyKeyRing(secretKeys)
.addUserId("this is not a quine", SecretKeyRingProtector.unprotectedKeys())
.addUserId("this is not a crime", SecretKeyRingProtector.unprotectedKeys())
.done();
List<String> containSubstring = SelectUserId.containsSubstring("ine")
.selectUserIds(secretKeys);
List<String> userIds = PGPainless.inspectKeyRing(secretKeys).getValidUserIds();
List<String> containSubstring = userIds.stream().filter(SelectUserId.containsSubstring("ine")).collect(Collectors.toList());
assertEquals(Arrays.asList("wine drinker", "this is not a quine"), containSubstring);
}
@Test
public void testContainsEmailAddress() throws InvalidAlgorithmParameterException, NoSuchAlgorithmException, PGPException {
public void testContainsEmailAddress() {
PGPSecretKeyRing secretKeys = PGPainless.generateKeyRing().simpleEcKeyRing("Alice <alice@wonderland.lit>");
List<String> userIds = PGPainless.inspectKeyRing(secretKeys).getValidUserIds();
assertEquals("Alice <alice@wonderland.lit>", SelectUserId.containsEmailAddress("alice@wonderland.lit").firstMatch(secretKeys));
assertEquals("Alice <alice@wonderland.lit>", SelectUserId.containsEmailAddress("<alice@wonderland.lit>").firstMatch(secretKeys));
assertEquals("Alice <alice@wonderland.lit>", userIds.stream().filter(
SelectUserId.containsEmailAddress("alice@wonderland.lit")).findFirst().get());
assertEquals("Alice <alice@wonderland.lit>", userIds.stream().filter(
SelectUserId.containsEmailAddress("<alice@wonderland.lit>")).findFirst().get());
assertNull(SelectUserId.containsEmailAddress("mad@hatter.lit").firstMatch(secretKeys));
assertFalse(userIds.stream().anyMatch(SelectUserId.containsEmailAddress("mad@hatter.lit")));
}
@Test
public void testAndOrNot() throws InvalidAlgorithmParameterException, NoSuchAlgorithmException, PGPException {
public void testAndOrNot() throws PGPException {
PGPSecretKeyRing secretKeys = PGPainless.generateKeyRing().simpleEcKeyRing("Alice <alice@wonderland.lit>");
secretKeys = PGPainless.modifyKeyRing(secretKeys)
.addUserId("Alice <another@email.address>", SecretKeyRingProtector.unprotectedKeys())
@ -83,34 +87,32 @@ public class SelectUserIdTest {
.addUserId("Crazy Girl <alice@wonderland.lit>", SecretKeyRingProtector.unprotectedKeys())
.done();
List<String> or = SelectUserId.or(
List<String> userIds = PGPainless.inspectKeyRing(secretKeys).getValidUserIds();
List<String> or = userIds.stream().filter(SelectUserId.or(
SelectUserId.containsEmailAddress("alice@wonderland.lit"),
SelectUserId.startsWith("Alice"))
.selectUserIds(secretKeys);
SelectUserId.startsWith("Alice"))).collect(Collectors.toList());
assertEquals(Arrays.asList("Alice <alice@wonderland.lit>", "Alice <another@email.address>", "Crazy Girl <alice@wonderland.lit>"), or);
List<String> and = SelectUserId.and(
List<String> and = userIds.stream().filter(SelectUserId.and(
SelectUserId.containsEmailAddress("alice@wonderland.lit"),
SelectUserId.startsWith("Alice"))
.selectUserIds(secretKeys);
SelectUserId.startsWith("Alice"))).collect(Collectors.toList());
assertEquals(Collections.singletonList("Alice <alice@wonderland.lit>"), and);
List<String> not = SelectUserId.not(
SelectUserId.startsWith("Alice"))
.selectUserIds(secretKeys);
List<String> not = userIds.stream().filter(SelectUserId.not(
SelectUserId.startsWith("Alice"))).collect(Collectors.toList());
assertEquals(Arrays.asList("<crazy@the-rabbit.hole>", "Crazy Girl <alice@wonderland.lit>"), not);
}
@Test
public void testFirstMatch() throws InvalidAlgorithmParameterException, NoSuchAlgorithmException, PGPException {
public void testFirstMatch() throws PGPException {
PGPSecretKeyRing secretKeys = PGPainless.generateKeyRing().simpleEcKeyRing("First UserID");
secretKeys = PGPainless.modifyKeyRing(secretKeys)
.addUserId("Second UserID", SecretKeyRingProtector.unprotectedKeys())
.done();
assertEquals("First UserID", SelectUserId.validUserId(secretKeys).firstMatch(secretKeys));
assertEquals("Second UserID", SelectUserId.containsSubstring("Second").firstMatch(
PGPainless.inspectKeyRing(secretKeys).getUserIds()
));
List<String> userIds = PGPainless.inspectKeyRing(secretKeys).getValidUserIds();
assertEquals("First UserID", userIds.stream().filter(SelectUserId.validUserId(secretKeys)).findFirst().get());
assertEquals("Second UserID", userIds.stream().filter(SelectUserId.containsSubstring("Second")).findFirst().get());
}
@Test